Home / 465,934.92-642,835.52-379,745.70

Finding the Fourth Proportional to 465,934.92, 642,835.52 and 379,745.70

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Solution

The fourth proportional to 465,934.92, 642,835.52 and 379,745.70 is: 523,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,934.92 : 642,835.52 = 379,745.70 : x
  2. Step 2: Convert to fraction form
    465,934.92/642,835.52 = 379,745.70/x
  3. Step 3: Cross multiply
    465,934.92x = 642,835.52 × 379,745.70
  4. Step 4: Simplify right side
    465,934.92x = 244,114,024,527.26
  5. Step 5: Solve for x
    x = 244,114,024,527.26/465,934.92
  6. Step 6: Final answer
    x = 523,923.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.